1 files changed, 149 insertions, 0 deletions
diff --git a/cmd-select-layout.c b/cmd-select-layout.c
new file mode 100644
index 0000000..6dfe2b6
--- /dev/null
+++ b/cmd-select-layout.c
@@ -0,0 +1,149 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+
+#include "tmux.h"
+
+/*
+ * Switch window to selected layout.
+ */
+
+static enum cmd_retval	cmd_select_layout_exec(struct cmd *,
+			    struct cmdq_item *);
+
+const struct cmd_entry cmd_select_layout_entry = {
+	.name = "select-layout",
+	.alias = "selectl",
+
+	.args = { "Enopt:", 0, 1, NULL },
+	.usage = "[-Enop] " CMD_TARGET_PANE_USAGE " [layout-name]",
+
+	.target = { 't', CMD_FIND_PANE, 0 },
+
+	.flags = CMD_AFTERHOOK,
+	.exec = cmd_select_layout_exec
+};
+
+const struct cmd_entry cmd_next_layout_entry = {
+	.name = "next-layout",
+	.alias = "nextl",
+
+	.args = { "t:", 0, 0, NULL },
+	.usage = CMD_TARGET_WINDOW_USAGE,
+
+	.target = { 't', CMD_FIND_WINDOW, 0 },
+
+	.flags = CMD_AFTERHOOK,
+	.exec = cmd_select_layout_exec
+};
+
+const struct cmd_entry cmd_previous_layout_entry = {
+	.name = "previous-layout",
+	.alias = "prevl",
+
+	.args = { "t:", 0, 0, NULL },
+	.usage = CMD_TARGET_WINDOW_USAGE,
+
+	.target = { 't', CMD_FIND_WINDOW, 0 },
+
+	.flags = CMD_AFTERHOOK,
+	.exec = cmd_select_layout_exec
+};
+
+static enum cmd_retval
+cmd_select_layout_exec(struct cmd *self, struct cmdq_item *item)
+{
+	struct args		*args = cmd_get_args(self);
+	struct cmd_find_state	*target = cmdq_get_target(item);
+	struct winlink		*wl = target->wl;
+	struct window		*w = wl->window;
+	struct window_pane	*wp = target->wp;
+	const char		*layoutname;
+	char			*oldlayout, *cause;
+	int			 next, previous, layout;
+
+	server_unzoom_window(w);
+
+	next = (cmd_get_entry(self) == &cmd_next_layout_entry);
+	if (args_has(args, 'n'))
+		next = 1;
+	previous = (cmd_get_entry(self) == &cmd_previous_layout_entry);
+	if (args_has(args, 'p'))
+		previous = 1;
+
+	oldlayout = w->old_layout;
+	w->old_layout = layout_dump(w->layout_root);
+
+	if (next || previous) {
+		if (next)
+			layout_set_next(w);
+		else
+			layout_set_previous(w);
+		goto changed;
+	}
+
+	if (args_has(args, 'E')) {
+		layout_spread_out(wp);
+		goto changed;
+	}
+
+	if (args_count(args) != 0)
+		layoutname = args_string(args, 0);
+	else if (args_has(args, 'o'))
+		layoutname = oldlayout;
+	else
+		layoutname = NULL;
+
+	if (!args_has(args, 'o')) {
+		if (layoutname == NULL)
+			layout = w->lastlayout;
+		else
+			layout = layout_set_lookup(layoutname);
+		if (layout != -1) {
+			layout_set_select(w, layout);
+			goto changed;
+		}
+	}
+
+	if (layoutname != NULL) {
+		if (layout_parse(w, layoutname, &cause) == -1) {
+			cmdq_error(item, "%s: %s", cause, layoutname);
+			free(cause);
+			goto error;
+		}
+		goto changed;
+	}
+
+	free(oldlayout);
+	return (CMD_RETURN_NORMAL);
+
+changed:
+	free(oldlayout);
+	recalculate_sizes();
+	server_redraw_window(w);
+	notify_window("window-layout-changed", w);
+	return (CMD_RETURN_NORMAL);
+
+error:
+	free(w->old_layout);
+	w->old_layout = oldlayout;
+	return (CMD_RETURN_ERROR);
+}